Loud Thunder: What Does It Mean? - DC News FOX 5 DC WTTG

Loud Thunder: What Does It Mean?

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Many of you heard a loud boom much louder than you would expect from simple thunder.

You can see how those storms lit up Ultimate Doppler Radar this morning. The sound was a direct result of all this action in our atmosphere.

Most thunderstorms form from surface heating, warm air at the surface and cold air aloft. This allows any thunder heard to dissipate faster and in all directions. Sound waves usually move faster in warm air and slower in cold air. This morning the region experienced a temperature inversion. This is simply cold air trapped at the surface and warm air aloft.

Thunderstorms formed aloft along a warm front in this inversion this morning called elevated thunderstorms. The cold air trapped and amplified the sound waves increasing the intensities heard across the region.

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